var t;
// var arr = ["李帅","周杰伦","龙啧","菜虚鲲","王二伯","鹿哈","王子涛"];
var arr = new Array(5);

//开始滚动
function startScroll(){
    var num = Math.floor(Math.random()*6+1);
    document.getElementById("num").innerHTML=arr[num];
}

function start(){
    t = setInterval("startScroll()",60);
}

//停止滚动
function stopScroll(){
    clearInterval(t);
}
